package day09;

public class TestUser {
public static void main(String[] args) {
	User1 a =new User1();
	User2 b = new User2();
	
	if (a instanceof isVIP) {
		System.out.println("a是付费玩家");
	}
	if (b instanceof isVIP) {
		System.out.println("b是付费玩家");
	}
}
}
